/Engine/Source/Runtime/Core/Public/Containers/Map.h
typedef const [TPairInitializer](API\Runtime\Core\Containers\TPairInitializer)< typename [TTypeTraits](API\Runtime\Core\Templates\TTypeTraits)< [KeyType](API\Runtime\Core\Containers\BaseKeyFuncs\KeyType) >::ConstInitType, typename [TTypeTraits](API\Runtime\Core\Templates\TTypeTraits)< ValueType >::ConstInitType > & ElementInitType